Dating and canceling stamp



(No Model.)

L. J. M. BOYD.

DATING AND CANGELING STAMP.

No. 390,155. Patented Sept. 25, 1888.

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UNITED STATES PATENT @rrrcn.

L. JAMES M. BOYD, OF ANNAPOLIS, MARYLAND.

DATING AND CANCELING STAMP.

SPECIFICATION forming part of Letters Patent No. 390.155, datedSeptember 25, 1888.

Application filed October 17, 1887. Serial No. 252,520. (No model.)

To all whom it may concern.-

Be it known that I, L. JAMES M. BOYD, a citizen of the United States,residing at Annapolis, in the county of Anne Arundel and State ofMaryland, have invented certain new and useful Improvements in Datingand Can celing Stamps, of which the following is a full and cleardescription, reference being had to the accompanying drawings, formingpart of this specification, in which Figure 1 represents a sideelevation of a dating and canceling stamp embodying my invention. Fig. 2is a longitudinal sectional view of the same. Fig. 3 is a detail of arov tatiug cutter of modified form.

My invention relates to hand stamps for dating and canceling stamps; andit consists in the peculiar constructions and combinations of devices,which I shall hereinafter fully describe and claim.

To enable others skilled in the art to which my invention appertains tomake and use the same, I will now describe its construction and indicatea preferred manner of carrying the same out.

In the said drawings, A represents the bandle, within which a spring, B,is seated to bear against and operate the stem 0 in the usual manner. Atthe lowerend the stem 0 is provided with'a cross-bar, D, having itsouter ends perforated with holes a and b, the former of which isthreaded to receive the threaded shank of the dating-die E, whereby saiddie may have a vertical adjustment to accommodate itself to the knivesor cutters of the contiguous canceling device.

To secure the dating die E in any of its adjusted positions, I use anut, c, which engages the upper end of the threaded stem and bearsagainst the upper surface of the cross-bar, as shown in Fig. 2. l

The opposite end of the crossbar D is provided with adownwardly-prejecting hub, F, externally threaded and provided with anilltcrnal core whose diameter is slightly larger than the opening 1),whereby a shoulder is formed at d for the spindle of the rotatingcaneeler. This spindle G passes into the core of the hub until its edgee abuts against the shoulder cl and is provided with a reducedcylindrical portion, h, which passes through the opening I) in thecrossbar. Asquare portion, 2', on the spindle G extends above the crossbar and is fitted in a square socket in a rotating disk, H, to impartrotation to the spindle, while a threaded extension, ft, of said spindlereceives a suitable nut, Z, to secure the spindle in position.

The knives or cutters m are preferably pointed pins, and are slippedthrough bars or plates n, having dovetailed projections, 0, fitted insimilar grooves in the lower face of the spindle, whereby said plates orbars with their attached pins, may be readily removed when desired Aninternally-threaded sleeve, I, is screwed upon the hub F and determinesthe depth the pins or cutters enter the stamp, care being taken to soregulate the projection of said pins or cutters that their points willnot penetrate through the stamp and injure the underlying envelope andits contents. To accomplish this essential feature, the sleeve isadjusted on its threaded hub so that the points of the pins barelyextend beyond its lower face; butif increased depth of penetration isrequired, or if the pins are shortened by wear, &c., the sleeve isscrewed upon the hub until the proper adjustment is obtained, whichadjustment may thereafter be maintained by a set-screw, s, as shown inFig. l.

The rotating disk H is provided with aswiveled stud, t, in the upper endof which the lower end of an arm or lever, K, is pivotally secured, theupper end of said arm being provided with a circular head, L, looselyseated in a similar socket, M, which opens outward into and forms a partof an angular slot or open ing, XV, formed in the lower portion of thehandle. It will thus be seen that as the bandle is depressed it carrieswith it the arm or lever K,which, acting upon the disk H through themedium of the swivelcd stud t, imparts rotary movement to the attachedspindle and knives or pins to scarify or otherwise destroy the face ofthe stamp.

By forming the circular head on the arm or lever K and seating the samein a circular socket I am enabled to dispense with apin or bolt forpivotally securing the upper end of said arm. To so secure said headthat it may be readily removed from its socket to disconneet the severaloperative parts of the canceler, I employ ascreworbolt, N, eccentricallymounted in the lower end of the handle, so that its head may be turnedupward to confine the upper end of the arm K in its socket and turneddownward to release said end and secure its removal.

By reason of the above construction I am enabled to provide a dating andcanceling stamp simple and positive in its operation and not liable toinjury even with rough usage.

Having thus described my invention,what I claim as new, and desire tosecure by Letters Patent, is

l. The combination of a handle, thespringactuated stem having across-bar secured to its lower end, said cross-bar having at one end thethreaded opening a and at the opposite end the (lownwardly-extendingexternally threaded hub F, the internally-tln'eaded sleeve fittedthereon, a dating-die having a threaded stem adjustable within theopening a, a cancelingstamp having a shouldered spindle extendingthrough said hub, a disk fitted to said spindle, and a connection,substantially as described, between said disk and operating handle,whereby rotary movement is imparted to said canceling-stamp.

2. The combination, with the handle, the springactuated stem carryingthe cross-bar D, said bar having the hub F, the dating'stamp ad justably secured to said bar, and the sleeve I, adjustably fitted to saidhub, of the canceling-stamp consisting of the spindle G, having thereduced portions h and i and threaded extension 70, the plates at,fitted to the base of the spindle and carrying the points at, a diskfitted to the squared portion i of said spindle, and aconnection,substantially as described, between the operating-handle andsaid disk, whereby rotary movement is imparted to said spindle,substantially as specified.

3. The combination, with a dating-die and a rotating spindle carryingcutters, of a handle having a socket and angular slot, an arm working insaid slot and having a circular head fitted in the socket, and a diskfixed to the upper end of the spindle and having a swiveled stud forpivotally securing the lower end of said arm, substantially asdescribed.

4. The combination of a handle having a socket and slot, an arm fittedtherein and connected at its lower end with the rotatingspindle carryingthe pins or cutters, a screw or bolt eccentrically mounted to confinethe upper end of the bar in its socket and slot, and a spring-actuatedstem carrying a cross-bar to which the dating and canceling stamps areattached, substantially as described.

t T}. JAMES M. BOYD.

\Vitnesses:

S. F. Riiwminos, O. A. CRANDA'LL.

